CAS 19700-42-6 appears in our catalog under these names: 3-Hydroxy-1-naphthoic acid 97%, 1-Naphthalenecarboxylic acid, 3-hydroxy-, 98%, 98%, 3-Hydroxy-1-naphthoic acid, 98%. Offered by: Ambeed, Chemat, Fluorochem. Available pack sizes: 10g, 100mg, 250mg, 1g, 5g.